| 摘要 |
<p>PURPOSE: To provide an invisible magnetic information recording medium having a hidden magnetic pattern, preventing forgery, capable of colorful arbitrary printing because of being originally light-colored or transparent, and improving durability as well as appearance. CONSTITUTION: An under color-printed layer 3 having the same color as a magnetic pattern 4 is formed on a substrate 2, the magnetic pattern 4 is formed on the color-printed layer 3 in an arbitrary pattern and it is coated with a protective layer 5. Since the magnetic pattern 4 has the same hue as the color- printed layer 3 and is formed in an invisible state, forgery is prevented. The protective layer 5 improves light resistance. The magnetic pattern 4 is more perfectly hidden by a butting printing.</p> |
